var ToolsModuleExtends = (function(m){

    m.regEmail = function (email) {
        let myreg = /^[a-zA-Z0-9]+([._-]*[a-zA-Z0-9]*)*@[a-zA-Z0-9]+.[a-zA-Z0-9{2,5}$]/;
        return myreg.test(email);
    }
    return m;
})(window.ToolsModule || {});